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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.regionserver;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.ArrayList;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.CacheEvictionStats;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.SingleProcessHBaseCluster;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.AsyncAdmin;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.AsyncConnection;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.io.hfile.BlockCache;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.After;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.Before;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.ClassRule;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.Test;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.runner.RunWith;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.runners.Parameterized;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.slf4j.Logger;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">@Category(LargeTests.class)</span> |
| <span class="source-line-no">052</span><span id="line-52">@RunWith(Parameterized.class)</span> |
| <span class="source-line-no">053</span><span id="line-53">public class TestClearRegionBlockCache {</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> @ClassRule</span> |
| <span class="source-line-no">056</span><span id="line-56"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">057</span><span id="line-57"> HBaseClassTestRule.forClass(TestClearRegionBlockCache.class);</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final Logger LOG = LoggerFactory.getLogger(TestClearRegionBlockCache.class);</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final TableName TABLE_NAME = TableName.valueOf("testClearRegionBlockCache");</span> |
| <span class="source-line-no">061</span><span id="line-61"> private static final byte[] FAMILY = Bytes.toBytes("family");</span> |
| <span class="source-line-no">062</span><span id="line-62"> private static final byte[][] SPLIT_KEY = new byte[][] { Bytes.toBytes("5") };</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final int NUM_RS = 2;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> private final HBaseTestingUtil HTU = new HBaseTestingUtil();</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private Configuration CONF = HTU.getConfiguration();</span> |
| <span class="source-line-no">068</span><span id="line-68"> private Table table;</span> |
| <span class="source-line-no">069</span><span id="line-69"> private HRegionServer rs1, rs2;</span> |
| <span class="source-line-no">070</span><span id="line-70"> private SingleProcessHBaseCluster cluster;</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @Parameterized.Parameter</span> |
| <span class="source-line-no">073</span><span id="line-73"> public String cacheType;</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @Parameterized.Parameters(name = "{index}: {0}")</span> |
| <span class="source-line-no">076</span><span id="line-76"> public static Object[] data() {</span> |
| <span class="source-line-no">077</span><span id="line-77"> return new Object[] { "lru", "bucket" };</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> @Before</span> |
| <span class="source-line-no">081</span><span id="line-81"> public void setup() throws Exception {</span> |
| <span class="source-line-no">082</span><span id="line-82"> if (cacheType.equals("bucket")) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> CONF.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap");</span> |
| <span class="source-line-no">084</span><span id="line-84"> CONF.setInt(HConstants.BUCKET_CACHE_SIZE_KEY, 30);</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> cluster = HTU.startMiniCluster(NUM_RS);</span> |
| <span class="source-line-no">088</span><span id="line-88"> rs1 = cluster.getRegionServer(0);</span> |
| <span class="source-line-no">089</span><span id="line-89"> rs2 = cluster.getRegionServer(1);</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> // Create table</span> |
| <span class="source-line-no">092</span><span id="line-92"> table = HTU.createTable(TABLE_NAME, FAMILY, SPLIT_KEY);</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> HTU.loadNumericRows(table, FAMILY, 1, 10);</span> |
| <span class="source-line-no">095</span><span id="line-95"> HTU.flush(TABLE_NAME);</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> @After</span> |
| <span class="source-line-no">099</span><span id="line-99"> public void teardown() throws Exception {</span> |
| <span class="source-line-no">100</span><span id="line-100"> HTU.shutdownMiniCluster();</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> @Test</span> |
| <span class="source-line-no">104</span><span id="line-104"> public void testClearBlockCache() throws Exception {</span> |
| <span class="source-line-no">105</span><span id="line-105"> BlockCache blockCache1 = rs1.getBlockCache().get();</span> |
| <span class="source-line-no">106</span><span id="line-106"> BlockCache blockCache2 = rs2.getBlockCache().get();</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> long initialBlockCount1 = blockCache1.getBlockCount();</span> |
| <span class="source-line-no">109</span><span id="line-109"> long initialBlockCount2 = blockCache2.getBlockCount();</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> // scan will cause blocks to be added in BlockCache</span> |
| <span class="source-line-no">112</span><span id="line-112"> scanAllRegionsForRS(rs1);</span> |
| <span class="source-line-no">113</span><span id="line-113"> assertEquals(blockCache1.getBlockCount() - initialBlockCount1,</span> |
| <span class="source-line-no">114</span><span id="line-114"> HTU.getNumHFilesForRS(rs1, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">115</span><span id="line-115"> clearRegionBlockCache(rs1);</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> scanAllRegionsForRS(rs2);</span> |
| <span class="source-line-no">118</span><span id="line-118"> assertEquals(blockCache2.getBlockCount() - initialBlockCount2,</span> |
| <span class="source-line-no">119</span><span id="line-119"> HTU.getNumHFilesForRS(rs2, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">120</span><span id="line-120"> clearRegionBlockCache(rs2);</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> assertEquals("" + blockCache1.getBlockCount(), initialBlockCount1, blockCache1.getBlockCount());</span> |
| <span class="source-line-no">123</span><span id="line-123"> assertEquals("" + blockCache2.getBlockCount(), initialBlockCount2, blockCache2.getBlockCount());</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> @Test</span> |
| <span class="source-line-no">127</span><span id="line-127"> public void testClearBlockCacheFromAdmin() throws Exception {</span> |
| <span class="source-line-no">128</span><span id="line-128"> Admin admin = HTU.getAdmin();</span> |
| <span class="source-line-no">129</span><span id="line-129"></span> |
| <span class="source-line-no">130</span><span id="line-130"> BlockCache blockCache1 = rs1.getBlockCache().get();</span> |
| <span class="source-line-no">131</span><span id="line-131"> BlockCache blockCache2 = rs2.getBlockCache().get();</span> |
| <span class="source-line-no">132</span><span id="line-132"> long initialBlockCount1 = blockCache1.getBlockCount();</span> |
| <span class="source-line-no">133</span><span id="line-133"> long initialBlockCount2 = blockCache2.getBlockCount();</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> // scan will cause blocks to be added in BlockCache</span> |
| <span class="source-line-no">136</span><span id="line-136"> scanAllRegionsForRS(rs1);</span> |
| <span class="source-line-no">137</span><span id="line-137"> assertEquals(blockCache1.getBlockCount() - initialBlockCount1,</span> |
| <span class="source-line-no">138</span><span id="line-138"> HTU.getNumHFilesForRS(rs1, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">139</span><span id="line-139"> scanAllRegionsForRS(rs2);</span> |
| <span class="source-line-no">140</span><span id="line-140"> assertEquals(blockCache2.getBlockCount() - initialBlockCount2,</span> |
| <span class="source-line-no">141</span><span id="line-141"> HTU.getNumHFilesForRS(rs2, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> CacheEvictionStats stats = admin.clearBlockCache(TABLE_NAME);</span> |
| <span class="source-line-no">144</span><span id="line-144"> assertEquals(stats.getEvictedBlocks(), HTU.getNumHFilesForRS(rs1, TABLE_NAME, FAMILY)</span> |
| <span class="source-line-no">145</span><span id="line-145"> + HTU.getNumHFilesForRS(rs2, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">146</span><span id="line-146"> assertEquals(initialBlockCount1, blockCache1.getBlockCount());</span> |
| <span class="source-line-no">147</span><span id="line-147"> assertEquals(initialBlockCount2, blockCache2.getBlockCount());</span> |
| <span class="source-line-no">148</span><span id="line-148"> }</span> |
| <span class="source-line-no">149</span><span id="line-149"></span> |
| <span class="source-line-no">150</span><span id="line-150"> @Test</span> |
| <span class="source-line-no">151</span><span id="line-151"> public void testClearBlockCacheFromAsyncAdmin() throws Exception {</span> |
| <span class="source-line-no">152</span><span id="line-152"> try (AsyncConnection conn =</span> |
| <span class="source-line-no">153</span><span id="line-153"> ConnectionFactory.createAsyncConnection(HTU.getConfiguration()).get()) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> AsyncAdmin admin = conn.getAdmin();</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> BlockCache blockCache1 = rs1.getBlockCache().get();</span> |
| <span class="source-line-no">157</span><span id="line-157"> BlockCache blockCache2 = rs2.getBlockCache().get();</span> |
| <span class="source-line-no">158</span><span id="line-158"> long initialBlockCount1 = blockCache1.getBlockCount();</span> |
| <span class="source-line-no">159</span><span id="line-159"> long initialBlockCount2 = blockCache2.getBlockCount();</span> |
| <span class="source-line-no">160</span><span id="line-160"></span> |
| <span class="source-line-no">161</span><span id="line-161"> // scan will cause blocks to be added in BlockCache</span> |
| <span class="source-line-no">162</span><span id="line-162"> scanAllRegionsForRS(rs1);</span> |
| <span class="source-line-no">163</span><span id="line-163"> assertEquals(blockCache1.getBlockCount() - initialBlockCount1,</span> |
| <span class="source-line-no">164</span><span id="line-164"> HTU.getNumHFilesForRS(rs1, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">165</span><span id="line-165"> scanAllRegionsForRS(rs2);</span> |
| <span class="source-line-no">166</span><span id="line-166"> assertEquals(blockCache2.getBlockCount() - initialBlockCount2,</span> |
| <span class="source-line-no">167</span><span id="line-167"> HTU.getNumHFilesForRS(rs2, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> CacheEvictionStats stats = admin.clearBlockCache(TABLE_NAME).get();</span> |
| <span class="source-line-no">170</span><span id="line-170"> assertEquals(stats.getEvictedBlocks(), HTU.getNumHFilesForRS(rs1, TABLE_NAME, FAMILY)</span> |
| <span class="source-line-no">171</span><span id="line-171"> + HTU.getNumHFilesForRS(rs2, TABLE_NAME, FAMILY));</span> |
| <span class="source-line-no">172</span><span id="line-172"> assertEquals(initialBlockCount1, blockCache1.getBlockCount());</span> |
| <span class="source-line-no">173</span><span id="line-173"> assertEquals(initialBlockCount2, blockCache2.getBlockCount());</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"> }</span> |
| <span class="source-line-no">176</span><span id="line-176"></span> |
| <span class="source-line-no">177</span><span id="line-177"> private void scanAllRegionsForRS(HRegionServer rs) throws IOException {</span> |
| <span class="source-line-no">178</span><span id="line-178"> for (Region region : rs.getRegions(TABLE_NAME)) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> RegionScanner scanner = region.getScanner(new Scan());</span> |
| <span class="source-line-no">180</span><span id="line-180"> while (scanner.next(new ArrayList<Cell>()))</span> |
| <span class="source-line-no">181</span><span id="line-181"> ;</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> private void clearRegionBlockCache(HRegionServer rs) {</span> |
| <span class="source-line-no">186</span><span id="line-186"> for (Region region : rs.getRegions(TABLE_NAME)) {</span> |
| <span class="source-line-no">187</span><span id="line-187"> rs.clearRegionBlockCache(region);</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190">}</span> |
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